"knobweed" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "knob",
        "3": "weed"
      },
      "expansion": "knob + weed",
      "name": "compound"
    }
  ],
  "etymology_text": "knob + weed",
  "forms": [
    {
      "form": "knobweeds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "knobweed (usually uncountable, plural knobweeds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Mint family plants",
          "orig": "en:Mint family plants",
          "parents": [
            "Lamiales order plants",
            "Spices and herbs",
            "Plants",
            "Shrubs",
            "Trees",
            "Foods",
            "Lifeforms",
            "Eating",
            "Food and drink",
            "All topics",
            "Life",
            "Human behaviour",
            "Fundamental",
            "Nature",
            "Human"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Hyptis capitata, an erect annual lamiaceous shrub."
      ],
      "id": "en-knobweed-en-noun-qFs-j87Q",
      "links": [
        [
          "erect",
          "erect"
        ],
        [
          "annual",
          "annual"
        ],
        [
          "lamiaceous",
          "lamiaceous"
        ],
        [
          "shrub",
          "shrub"
        ]
      ],
      "related": [
        {
          "word": "knotweed"
        }
      ],
      "synonyms": [
        {
          "word": "false ironwort"
        }
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "knobweed"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "knob",
        "3": "weed"
      },
      "expansion": "knob + weed",
      "name": "compound"
    }
  ],
  "etymology_text": "knob + weed",
  "forms": [
    {
      "form": "knobweeds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "knobweed (usually uncountable, plural knobweeds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "knotweed"
    }
  ],
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English uncountable nouns",
        "Entries using missing taxonomic name (species)",
        "en:Mint family plants"
      ],
      "glosses": [
        "Hyptis capitata, an erect annual lamiaceous shrub."
      ],
      "links": [
        [
          "erect",
          "erect"
        ],
        [
          "annual",
          "annual"
        ],
        [
          "lamiaceous",
          "lamiaceous"
        ],
        [
          "shrub",
          "shrub"
        ]
      ],
      "synonyms": [
        {
          "word": "false ironwort"
        }
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "knobweed"
}